1 /*
2  * Realtek RTL28xxU DVB USB driver
3  *
4  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
5  * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
6  * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
7  *
8  *    This program is free software; you can redistribute it and/or modify
9  *    it under the terms of the GNU General Public License as published by
10  *    the Free Software Foundation; either version 2 of the License, or
11  *    (at your option) any later version.
12  *
13  *    This program is distributed in the hope that it will be useful,
14  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *    GNU General Public License for more details.
17  *
18  *    You should have received a copy of the GNU General Public License along
19  *    with this program; if not, write to the Free Software Foundation, Inc.,
20  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 #include "rtl28xxu.h"
24 
25 static int rtl28xxu_disable_rc;
26 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
27 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
29 
rtl28xxu_ctrl_msg(struct dvb_usb_device * d,struct rtl28xxu_req * req)30 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
31 {
32 	struct rtl28xxu_dev *dev = d->priv;
33 	int ret;
34 	unsigned int pipe;
35 	u8 requesttype;
36 
37 	mutex_lock(&d->usb_mutex);
38 
39 	if (req->size > sizeof(dev->buf)) {
40 		dev_err(&d->intf->dev, "too large message %u\n", req->size);
41 		ret = -EINVAL;
42 		goto err_mutex_unlock;
43 	}
44 
45 	if (req->index & CMD_WR_FLAG) {
46 		/* write */
47 		memcpy(dev->buf, req->data, req->size);
48 		requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
49 		pipe = usb_sndctrlpipe(d->udev, 0);
50 	} else {
51 		/* read */
52 		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
53 		pipe = usb_rcvctrlpipe(d->udev, 0);
54 	}
55 
56 	ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
57 			req->index, dev->buf, req->size, 1000);
58 	dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
59 			req->index, dev->buf, req->size);
60 	if (ret < 0)
61 		goto err_mutex_unlock;
62 
63 	/* read request, copy returned data to return buf */
64 	if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
65 		memcpy(req->data, dev->buf, req->size);
66 
67 	mutex_unlock(&d->usb_mutex);
68 
69 	return 0;
70 err_mutex_unlock:
71 	mutex_unlock(&d->usb_mutex);
72 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
73 	return ret;
74 }
75 
rtl28xxu_wr_regs(struct dvb_usb_device * d,u16 reg,u8 * val,int len)76 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
77 {
78 	struct rtl28xxu_req req;
79 
80 	if (reg < 0x3000)
81 		req.index = CMD_USB_WR;
82 	else if (reg < 0x4000)
83 		req.index = CMD_SYS_WR;
84 	else
85 		req.index = CMD_IR_WR;
86 
87 	req.value = reg;
88 	req.size = len;
89 	req.data = val;
90 
91 	return rtl28xxu_ctrl_msg(d, &req);
92 }
93 
rtl28xxu_rd_regs(struct dvb_usb_device * d,u16 reg,u8 * val,int len)94 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
95 {
96 	struct rtl28xxu_req req;
97 
98 	if (reg < 0x3000)
99 		req.index = CMD_USB_RD;
100 	else if (reg < 0x4000)
101 		req.index = CMD_SYS_RD;
102 	else
103 		req.index = CMD_IR_RD;
104 
105 	req.value = reg;
106 	req.size = len;
107 	req.data = val;
108 
109 	return rtl28xxu_ctrl_msg(d, &req);
110 }
111 
rtl28xxu_wr_reg(struct dvb_usb_device * d,u16 reg,u8 val)112 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
113 {
114 	return rtl28xxu_wr_regs(d, reg, &val, 1);
115 }
116 
rtl28xxu_rd_reg(struct dvb_usb_device * d,u16 reg,u8 * val)117 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
118 {
119 	return rtl28xxu_rd_regs(d, reg, val, 1);
120 }
121 
rtl28xxu_wr_reg_mask(struct dvb_usb_device * d,u16 reg,u8 val,u8 mask)122 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
123 		u8 mask)
124 {
125 	int ret;
126 	u8 tmp;
127 
128 	/* no need for read if whole reg is written */
129 	if (mask != 0xff) {
130 		ret = rtl28xxu_rd_reg(d, reg, &tmp);
131 		if (ret)
132 			return ret;
133 
134 		val &= mask;
135 		tmp &= ~mask;
136 		val |= tmp;
137 	}
138 
139 	return rtl28xxu_wr_reg(d, reg, val);
140 }
141 
142 /* I2C */
rtl28xxu_i2c_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)143 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
144 	int num)
145 {
146 	int ret;
147 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
148 	struct rtl28xxu_dev *dev = d->priv;
149 	struct rtl28xxu_req req;
150 
151 	/*
152 	 * It is not known which are real I2C bus xfer limits, but testing
153 	 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
154 	 * TODO: find out RTL2832U lens
155 	 */
156 
157 	/*
158 	 * I2C adapter logic looks rather complicated due to fact it handles
159 	 * three different access methods. Those methods are;
160 	 * 1) integrated demod access
161 	 * 2) old I2C access
162 	 * 3) new I2C access
163 	 *
164 	 * Used method is selected in order 1, 2, 3. Method 3 can handle all
165 	 * requests but there is two reasons why not use it always;
166 	 * 1) It is most expensive, usually two USB messages are needed
167 	 * 2) At least RTL2831U does not support it
168 	 *
169 	 * Method 3 is needed in case of I2C write+read (typical register read)
170 	 * where write is more than one byte.
171 	 */
172 
173 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
174 		return -EAGAIN;
175 
176 	if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
177 		(msg[1].flags & I2C_M_RD)) {
178 		if (msg[0].len > 24 || msg[1].len > 24) {
179 			/* TODO: check msg[0].len max */
180 			ret = -EOPNOTSUPP;
181 			goto err_mutex_unlock;
182 		} else if (msg[0].addr == 0x10) {
183 			/* method 1 - integrated demod */
184 			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
185 			req.index = CMD_DEMOD_RD | dev->page;
186 			req.size = msg[1].len;
187 			req.data = &msg[1].buf[0];
188 			ret = rtl28xxu_ctrl_msg(d, &req);
189 		} else if (msg[0].len < 2) {
190 			/* method 2 - old I2C */
191 			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
192 			req.index = CMD_I2C_RD;
193 			req.size = msg[1].len;
194 			req.data = &msg[1].buf[0];
195 			ret = rtl28xxu_ctrl_msg(d, &req);
196 		} else {
197 			/* method 3 - new I2C */
198 			req.value = (msg[0].addr << 1);
199 			req.index = CMD_I2C_DA_WR;
200 			req.size = msg[0].len;
201 			req.data = msg[0].buf;
202 			ret = rtl28xxu_ctrl_msg(d, &req);
203 			if (ret)
204 				goto err_mutex_unlock;
205 
206 			req.value = (msg[0].addr << 1);
207 			req.index = CMD_I2C_DA_RD;
208 			req.size = msg[1].len;
209 			req.data = msg[1].buf;
210 			ret = rtl28xxu_ctrl_msg(d, &req);
211 		}
212 	} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
213 		if (msg[0].len > 22) {
214 			/* TODO: check msg[0].len max */
215 			ret = -EOPNOTSUPP;
216 			goto err_mutex_unlock;
217 		} else if (msg[0].addr == 0x10) {
218 			/* method 1 - integrated demod */
219 			if (msg[0].buf[0] == 0x00) {
220 				/* save demod page for later demod access */
221 				dev->page = msg[0].buf[1];
222 				ret = 0;
223 			} else {
224 				req.value = (msg[0].buf[0] << 8) |
225 					(msg[0].addr << 1);
226 				req.index = CMD_DEMOD_WR | dev->page;
227 				req.size = msg[0].len-1;
228 				req.data = &msg[0].buf[1];
229 				ret = rtl28xxu_ctrl_msg(d, &req);
230 			}
231 		} else if (msg[0].len < 23) {
232 			/* method 2 - old I2C */
233 			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
234 			req.index = CMD_I2C_WR;
235 			req.size = msg[0].len-1;
236 			req.data = &msg[0].buf[1];
237 			ret = rtl28xxu_ctrl_msg(d, &req);
238 		} else {
239 			/* method 3 - new I2C */
240 			req.value = (msg[0].addr << 1);
241 			req.index = CMD_I2C_DA_WR;
242 			req.size = msg[0].len;
243 			req.data = msg[0].buf;
244 			ret = rtl28xxu_ctrl_msg(d, &req);
245 		}
246 	} else {
247 		ret = -EINVAL;
248 	}
249 
250 err_mutex_unlock:
251 	mutex_unlock(&d->i2c_mutex);
252 
253 	return ret ? ret : num;
254 }
255 
rtl28xxu_i2c_func(struct i2c_adapter * adapter)256 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
257 {
258 	return I2C_FUNC_I2C;
259 }
260 
261 static struct i2c_algorithm rtl28xxu_i2c_algo = {
262 	.master_xfer   = rtl28xxu_i2c_xfer,
263 	.functionality = rtl28xxu_i2c_func,
264 };
265 
rtl2831u_read_config(struct dvb_usb_device * d)266 static int rtl2831u_read_config(struct dvb_usb_device *d)
267 {
268 	struct rtl28xxu_dev *dev = d_to_priv(d);
269 	int ret;
270 	u8 buf[1];
271 	/* open RTL2831U/RTL2830 I2C gate */
272 	struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
273 	/* tuner probes */
274 	struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
275 	struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
276 
277 	dev_dbg(&d->intf->dev, "\n");
278 
279 	/*
280 	 * RTL2831U GPIOs
281 	 * =========================================================
282 	 * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
283 	 * GPIO2 | LED     | 0 off | 1 on  |
284 	 * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
285 	 */
286 
287 	/* GPIO direction */
288 	ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
289 	if (ret)
290 		goto err;
291 
292 	/* enable as output GPIO0, GPIO2, GPIO4 */
293 	ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
294 	if (ret)
295 		goto err;
296 
297 	/*
298 	 * Probe used tuner. We need to know used tuner before demod attach
299 	 * since there is some demod params needed to set according to tuner.
300 	 */
301 
302 	/* demod needs some time to wake up */
303 	msleep(20);
304 
305 	dev->tuner_name = "NONE";
306 
307 	/* open demod I2C gate */
308 	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
309 	if (ret)
310 		goto err;
311 
312 	/* check QT1010 ID(?) register; reg=0f val=2c */
313 	ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
314 	if (ret == 0 && buf[0] == 0x2c) {
315 		dev->tuner = TUNER_RTL2830_QT1010;
316 		dev->tuner_name = "QT1010";
317 		goto found;
318 	}
319 
320 	/* open demod I2C gate */
321 	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
322 	if (ret)
323 		goto err;
324 
325 	/* check MT2060 ID register; reg=00 val=63 */
326 	ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
327 	if (ret == 0 && buf[0] == 0x63) {
328 		dev->tuner = TUNER_RTL2830_MT2060;
329 		dev->tuner_name = "MT2060";
330 		goto found;
331 	}
332 
333 	/* assume MXL5005S */
334 	dev->tuner = TUNER_RTL2830_MXL5005S;
335 	dev->tuner_name = "MXL5005S";
336 	goto found;
337 
338 found:
339 	dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
340 
341 	return 0;
342 err:
343 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
344 	return ret;
345 }
346 
rtl2832u_read_config(struct dvb_usb_device * d)347 static int rtl2832u_read_config(struct dvb_usb_device *d)
348 {
349 	struct rtl28xxu_dev *dev = d_to_priv(d);
350 	int ret;
351 	u8 buf[2];
352 	/* open RTL2832U/RTL2832 I2C gate */
353 	struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
354 	/* close RTL2832U/RTL2832 I2C gate */
355 	struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
356 	/* tuner probes */
357 	struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
358 	struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
359 	struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
360 	struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
361 	struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
362 	struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
363 	struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
364 	struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
365 	struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
366 	struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
367 	struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
368 	struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
369 	struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
370 	struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
371 
372 	dev_dbg(&d->intf->dev, "\n");
373 
374 	/* enable GPIO3 and GPIO6 as output */
375 	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
376 	if (ret)
377 		goto err;
378 
379 	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
380 	if (ret)
381 		goto err;
382 
383 	/*
384 	 * Probe used tuner. We need to know used tuner before demod attach
385 	 * since there is some demod params needed to set according to tuner.
386 	 */
387 
388 	/* open demod I2C gate */
389 	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
390 	if (ret)
391 		goto err;
392 
393 	dev->tuner_name = "NONE";
394 
395 	/* check FC0012 ID register; reg=00 val=a1 */
396 	ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
397 	if (ret == 0 && buf[0] == 0xa1) {
398 		dev->tuner = TUNER_RTL2832_FC0012;
399 		dev->tuner_name = "FC0012";
400 		goto tuner_found;
401 	}
402 
403 	/* check FC0013 ID register; reg=00 val=a3 */
404 	ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
405 	if (ret == 0 && buf[0] == 0xa3) {
406 		dev->tuner = TUNER_RTL2832_FC0013;
407 		dev->tuner_name = "FC0013";
408 		goto tuner_found;
409 	}
410 
411 	/* check MT2266 ID register; reg=00 val=85 */
412 	ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
413 	if (ret == 0 && buf[0] == 0x85) {
414 		dev->tuner = TUNER_RTL2832_MT2266;
415 		dev->tuner_name = "MT2266";
416 		goto tuner_found;
417 	}
418 
419 	/* check FC2580 ID register; reg=01 val=56 */
420 	ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
421 	if (ret == 0 && buf[0] == 0x56) {
422 		dev->tuner = TUNER_RTL2832_FC2580;
423 		dev->tuner_name = "FC2580";
424 		goto tuner_found;
425 	}
426 
427 	/* check MT2063 ID register; reg=00 val=9e || 9c */
428 	ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
429 	if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
430 		dev->tuner = TUNER_RTL2832_MT2063;
431 		dev->tuner_name = "MT2063";
432 		goto tuner_found;
433 	}
434 
435 	/* check MAX3543 ID register; reg=00 val=38 */
436 	ret = rtl28xxu_ctrl_msg(d, &req_max3543);
437 	if (ret == 0 && buf[0] == 0x38) {
438 		dev->tuner = TUNER_RTL2832_MAX3543;
439 		dev->tuner_name = "MAX3543";
440 		goto tuner_found;
441 	}
442 
443 	/* check TUA9001 ID register; reg=7e val=2328 */
444 	ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
445 	if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
446 		dev->tuner = TUNER_RTL2832_TUA9001;
447 		dev->tuner_name = "TUA9001";
448 		goto tuner_found;
449 	}
450 
451 	/* check MXL5007R ID register; reg=d9 val=14 */
452 	ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
453 	if (ret == 0 && buf[0] == 0x14) {
454 		dev->tuner = TUNER_RTL2832_MXL5007T;
455 		dev->tuner_name = "MXL5007T";
456 		goto tuner_found;
457 	}
458 
459 	/* check E4000 ID register; reg=02 val=40 */
460 	ret = rtl28xxu_ctrl_msg(d, &req_e4000);
461 	if (ret == 0 && buf[0] == 0x40) {
462 		dev->tuner = TUNER_RTL2832_E4000;
463 		dev->tuner_name = "E4000";
464 		goto tuner_found;
465 	}
466 
467 	/* check TDA18272 ID register; reg=00 val=c760  */
468 	ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
469 	if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
470 		dev->tuner = TUNER_RTL2832_TDA18272;
471 		dev->tuner_name = "TDA18272";
472 		goto tuner_found;
473 	}
474 
475 	/* check R820T ID register; reg=00 val=69 */
476 	ret = rtl28xxu_ctrl_msg(d, &req_r820t);
477 	if (ret == 0 && buf[0] == 0x69) {
478 		dev->tuner = TUNER_RTL2832_R820T;
479 		dev->tuner_name = "R820T";
480 		goto tuner_found;
481 	}
482 
483 	/* check R828D ID register; reg=00 val=69 */
484 	ret = rtl28xxu_ctrl_msg(d, &req_r828d);
485 	if (ret == 0 && buf[0] == 0x69) {
486 		dev->tuner = TUNER_RTL2832_R828D;
487 		dev->tuner_name = "R828D";
488 		goto tuner_found;
489 	}
490 
491 tuner_found:
492 	dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
493 
494 	/* probe slave demod */
495 	if (dev->tuner == TUNER_RTL2832_R828D) {
496 		/* power on MN88472 demod on GPIO0 */
497 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
498 		if (ret)
499 			goto err;
500 
501 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
502 		if (ret)
503 			goto err;
504 
505 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
506 		if (ret)
507 			goto err;
508 
509 		/* check MN88472 answers */
510 		ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
511 		if (ret == 0 && buf[0] == 0x02) {
512 			dev_dbg(&d->intf->dev, "MN88472 found\n");
513 			dev->slave_demod = SLAVE_DEMOD_MN88472;
514 			goto demod_found;
515 		}
516 
517 		ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
518 		if (ret == 0 && buf[0] == 0x03) {
519 			dev_dbg(&d->intf->dev, "MN88473 found\n");
520 			dev->slave_demod = SLAVE_DEMOD_MN88473;
521 			goto demod_found;
522 		}
523 	}
524 
525 demod_found:
526 	/* close demod I2C gate */
527 	ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
528 	if (ret < 0)
529 		goto err;
530 
531 	return 0;
532 err:
533 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
534 	return ret;
535 }
536 
rtl28xxu_read_config(struct dvb_usb_device * d)537 static int rtl28xxu_read_config(struct dvb_usb_device *d)
538 {
539 	struct rtl28xxu_dev *dev = d_to_priv(d);
540 
541 	if (dev->chip_id == CHIP_ID_RTL2831U)
542 		return rtl2831u_read_config(d);
543 	else
544 		return rtl2832u_read_config(d);
545 }
546 
rtl28xxu_identify_state(struct dvb_usb_device * d,const char ** name)547 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
548 {
549 	struct rtl28xxu_dev *dev = d_to_priv(d);
550 	int ret;
551 	struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
552 
553 	dev_dbg(&d->intf->dev, "\n");
554 
555 	/*
556 	 * Detect chip type using I2C command that is not supported
557 	 * by old RTL2831U.
558 	 */
559 	ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
560 	if (ret == -EPIPE) {
561 		dev->chip_id = CHIP_ID_RTL2831U;
562 	} else if (ret == 0) {
563 		dev->chip_id = CHIP_ID_RTL2832U;
564 	} else {
565 		dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
566 		goto err;
567 	}
568 	dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
569 
570 	return WARM;
571 err:
572 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
573 	return ret;
574 }
575 
576 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
577 	.clk = 28800000,
578 	.spec_inv = 1,
579 	.vtop = 0x20,
580 	.krf = 0x04,
581 	.agc_targ_val = 0x2d,
582 
583 };
584 
585 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
586 	.clk = 28800000,
587 	.spec_inv = 1,
588 	.vtop = 0x20,
589 	.krf = 0x04,
590 	.agc_targ_val = 0x2d,
591 };
592 
593 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
594 	.clk = 28800000,
595 	.spec_inv = 0,
596 	.vtop = 0x3f,
597 	.krf = 0x04,
598 	.agc_targ_val = 0x3e,
599 };
600 
rtl2831u_frontend_attach(struct dvb_usb_adapter * adap)601 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
602 {
603 	struct dvb_usb_device *d = adap_to_d(adap);
604 	struct rtl28xxu_dev *dev = d_to_priv(d);
605 	struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
606 	struct i2c_board_info board_info;
607 	struct i2c_client *client;
608 	int ret;
609 
610 	dev_dbg(&d->intf->dev, "\n");
611 
612 	switch (dev->tuner) {
613 	case TUNER_RTL2830_QT1010:
614 		*pdata = rtl2830_qt1010_platform_data;
615 		break;
616 	case TUNER_RTL2830_MT2060:
617 		*pdata = rtl2830_mt2060_platform_data;
618 		break;
619 	case TUNER_RTL2830_MXL5005S:
620 		*pdata = rtl2830_mxl5005s_platform_data;
621 		break;
622 	default:
623 		dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
624 		ret = -ENODEV;
625 		goto err;
626 	}
627 
628 	/* attach demodulator */
629 	memset(&board_info, 0, sizeof(board_info));
630 	strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
631 	board_info.addr = 0x10;
632 	board_info.platform_data = pdata;
633 	request_module("%s", board_info.type);
634 	client = i2c_new_device(&d->i2c_adap, &board_info);
635 	if (client == NULL || client->dev.driver == NULL) {
636 		ret = -ENODEV;
637 		goto err;
638 	}
639 
640 	if (!try_module_get(client->dev.driver->owner)) {
641 		i2c_unregister_device(client);
642 		ret = -ENODEV;
643 		goto err;
644 	}
645 
646 	adap->fe[0] = pdata->get_dvb_frontend(client);
647 	dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
648 
649 	dev->i2c_client_demod = client;
650 
651 	return 0;
652 err:
653 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
654 	return ret;
655 }
656 
657 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
658 	.clk = 28800000,
659 	.tuner = TUNER_RTL2832_FC0012
660 };
661 
662 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
663 	.clk = 28800000,
664 	.tuner = TUNER_RTL2832_FC0013
665 };
666 
667 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
668 	.clk = 28800000,
669 	.tuner = TUNER_RTL2832_TUA9001,
670 };
671 
672 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
673 	.clk = 28800000,
674 	.tuner = TUNER_RTL2832_E4000,
675 };
676 
677 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
678 	.clk = 28800000,
679 	.tuner = TUNER_RTL2832_R820T,
680 };
681 
rtl2832u_fc0012_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)682 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
683 		int cmd, int arg)
684 {
685 	int ret;
686 	u8 val;
687 
688 	dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
689 
690 	switch (cmd) {
691 	case FC_FE_CALLBACK_VHF_ENABLE:
692 		/* set output values */
693 		ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
694 		if (ret)
695 			goto err;
696 
697 		if (arg)
698 			val &= 0xbf; /* set GPIO6 low */
699 		else
700 			val |= 0x40; /* set GPIO6 high */
701 
702 
703 		ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
704 		if (ret)
705 			goto err;
706 		break;
707 	default:
708 		ret = -EINVAL;
709 		goto err;
710 	}
711 	return 0;
712 err:
713 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
714 	return ret;
715 }
716 
rtl2832u_tua9001_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)717 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
718 		int cmd, int arg)
719 {
720 	int ret;
721 	u8 val;
722 
723 	dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
724 
725 	/*
726 	 * CEN     always enabled by hardware wiring
727 	 * RESETN  GPIO4
728 	 * RXEN    GPIO1
729 	 */
730 
731 	switch (cmd) {
732 	case TUA9001_CMD_RESETN:
733 		if (arg)
734 			val = (1 << 4);
735 		else
736 			val = (0 << 4);
737 
738 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
739 		if (ret)
740 			goto err;
741 		break;
742 	case TUA9001_CMD_RXEN:
743 		if (arg)
744 			val = (1 << 1);
745 		else
746 			val = (0 << 1);
747 
748 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
749 		if (ret)
750 			goto err;
751 		break;
752 	}
753 
754 	return 0;
755 err:
756 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
757 	return ret;
758 }
759 
rtl2832u_frontend_callback(void * adapter_priv,int component,int cmd,int arg)760 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
761 		int cmd, int arg)
762 {
763 	struct i2c_adapter *adapter = adapter_priv;
764 	struct device *parent = adapter->dev.parent;
765 	struct i2c_adapter *parent_adapter;
766 	struct dvb_usb_device *d;
767 	struct rtl28xxu_dev *dev;
768 
769 	/*
770 	 * All tuners are connected to demod muxed I2C adapter. We have to
771 	 * resolve its parent adapter in order to get handle for this driver
772 	 * private data. That is a bit hackish solution, GPIO or direct driver
773 	 * callback would be better...
774 	 */
775 	if (parent != NULL && parent->type == &i2c_adapter_type)
776 		parent_adapter = to_i2c_adapter(parent);
777 	else
778 		return -EINVAL;
779 
780 	d = i2c_get_adapdata(parent_adapter);
781 	dev = d->priv;
782 
783 	dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
784 		component, cmd, arg);
785 
786 	switch (component) {
787 	case DVB_FRONTEND_COMPONENT_TUNER:
788 		switch (dev->tuner) {
789 		case TUNER_RTL2832_FC0012:
790 			return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
791 		case TUNER_RTL2832_TUA9001:
792 			return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
793 		}
794 	}
795 
796 	return 0;
797 }
798 
rtl2832u_frontend_attach(struct dvb_usb_adapter * adap)799 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
800 {
801 	struct dvb_usb_device *d = adap_to_d(adap);
802 	struct rtl28xxu_dev *dev = d_to_priv(d);
803 	struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
804 	struct i2c_board_info board_info;
805 	struct i2c_client *client;
806 	int ret;
807 
808 	dev_dbg(&d->intf->dev, "\n");
809 
810 	switch (dev->tuner) {
811 	case TUNER_RTL2832_FC0012:
812 		*pdata = rtl2832_fc0012_platform_data;
813 		break;
814 	case TUNER_RTL2832_FC0013:
815 		*pdata = rtl2832_fc0013_platform_data;
816 		break;
817 	case TUNER_RTL2832_FC2580:
818 		/* FIXME: do not abuse fc0012 settings */
819 		*pdata = rtl2832_fc0012_platform_data;
820 		break;
821 	case TUNER_RTL2832_TUA9001:
822 		*pdata = rtl2832_tua9001_platform_data;
823 		break;
824 	case TUNER_RTL2832_E4000:
825 		*pdata = rtl2832_e4000_platform_data;
826 		break;
827 	case TUNER_RTL2832_R820T:
828 	case TUNER_RTL2832_R828D:
829 		*pdata = rtl2832_r820t_platform_data;
830 		break;
831 	default:
832 		dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
833 		ret = -ENODEV;
834 		goto err;
835 	}
836 
837 	/* attach demodulator */
838 	memset(&board_info, 0, sizeof(board_info));
839 	strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
840 	board_info.addr = 0x10;
841 	board_info.platform_data = pdata;
842 	request_module("%s", board_info.type);
843 	client = i2c_new_device(&d->i2c_adap, &board_info);
844 	if (client == NULL || client->dev.driver == NULL) {
845 		ret = -ENODEV;
846 		goto err;
847 	}
848 
849 	if (!try_module_get(client->dev.driver->owner)) {
850 		i2c_unregister_device(client);
851 		ret = -ENODEV;
852 		goto err;
853 	}
854 
855 	adap->fe[0] = pdata->get_dvb_frontend(client);
856 	dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
857 
858 	dev->i2c_client_demod = client;
859 
860 	/* set fe callback */
861 	adap->fe[0]->callback = rtl2832u_frontend_callback;
862 
863 	if (dev->slave_demod) {
864 		struct i2c_board_info info = {};
865 
866 		/*
867 		 * We continue on reduced mode, without DVB-T2/C, using master
868 		 * demod, when slave demod fails.
869 		 */
870 		ret = 0;
871 
872 		/* attach slave demodulator */
873 		if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
874 			struct mn88472_config mn88472_config = {};
875 
876 			mn88472_config.fe = &adap->fe[1];
877 			mn88472_config.i2c_wr_max = 22,
878 			strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
879 			mn88472_config.xtal = 20500000;
880 			mn88472_config.ts_mode = SERIAL_TS_MODE;
881 			mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
882 			info.addr = 0x18;
883 			info.platform_data = &mn88472_config;
884 			request_module(info.type);
885 			client = i2c_new_device(&d->i2c_adap, &info);
886 			if (client == NULL || client->dev.driver == NULL) {
887 				dev->slave_demod = SLAVE_DEMOD_NONE;
888 				goto err_slave_demod_failed;
889 			}
890 
891 			if (!try_module_get(client->dev.driver->owner)) {
892 				i2c_unregister_device(client);
893 				dev->slave_demod = SLAVE_DEMOD_NONE;
894 				goto err_slave_demod_failed;
895 			}
896 
897 			dev->i2c_client_slave_demod = client;
898 		} else {
899 			struct mn88473_config mn88473_config = {};
900 
901 			mn88473_config.fe = &adap->fe[1];
902 			mn88473_config.i2c_wr_max = 22,
903 			strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
904 			info.addr = 0x18;
905 			info.platform_data = &mn88473_config;
906 			request_module(info.type);
907 			client = i2c_new_device(&d->i2c_adap, &info);
908 			if (client == NULL || client->dev.driver == NULL) {
909 				dev->slave_demod = SLAVE_DEMOD_NONE;
910 				goto err_slave_demod_failed;
911 			}
912 
913 			if (!try_module_get(client->dev.driver->owner)) {
914 				i2c_unregister_device(client);
915 				dev->slave_demod = SLAVE_DEMOD_NONE;
916 				goto err_slave_demod_failed;
917 			}
918 
919 			dev->i2c_client_slave_demod = client;
920 		}
921 	}
922 
923 	return 0;
924 err_slave_demod_failed:
925 err:
926 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
927 	return ret;
928 }
929 
rtl28xxu_frontend_attach(struct dvb_usb_adapter * adap)930 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
931 {
932 	struct rtl28xxu_dev *dev = adap_to_priv(adap);
933 
934 	if (dev->chip_id == CHIP_ID_RTL2831U)
935 		return rtl2831u_frontend_attach(adap);
936 	else
937 		return rtl2832u_frontend_attach(adap);
938 }
939 
rtl28xxu_frontend_detach(struct dvb_usb_adapter * adap)940 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
941 {
942 	struct dvb_usb_device *d = adap_to_d(adap);
943 	struct rtl28xxu_dev *dev = d_to_priv(d);
944 	struct i2c_client *client;
945 
946 	dev_dbg(&d->intf->dev, "\n");
947 
948 	/* remove I2C slave demod */
949 	client = dev->i2c_client_slave_demod;
950 	if (client) {
951 		module_put(client->dev.driver->owner);
952 		i2c_unregister_device(client);
953 	}
954 
955 	/* remove I2C demod */
956 	client = dev->i2c_client_demod;
957 	if (client) {
958 		module_put(client->dev.driver->owner);
959 		i2c_unregister_device(client);
960 	}
961 
962 	return 0;
963 }
964 
965 static struct qt1010_config rtl28xxu_qt1010_config = {
966 	.i2c_address = 0x62, /* 0xc4 */
967 };
968 
969 static struct mt2060_config rtl28xxu_mt2060_config = {
970 	.i2c_address = 0x60, /* 0xc0 */
971 	.clock_out = 0,
972 };
973 
974 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
975 	.i2c_address     = 0x63, /* 0xc6 */
976 	.if_freq         = IF_FREQ_4570000HZ,
977 	.xtal_freq       = CRYSTAL_FREQ_16000000HZ,
978 	.agc_mode        = MXL_SINGLE_AGC,
979 	.tracking_filter = MXL_TF_C_H,
980 	.rssi_enable     = MXL_RSSI_ENABLE,
981 	.cap_select      = MXL_CAP_SEL_ENABLE,
982 	.div_out         = MXL_DIV_OUT_4,
983 	.clock_out       = MXL_CLOCK_OUT_DISABLE,
984 	.output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
985 	.top		 = MXL5005S_TOP_25P2,
986 	.mod_mode        = MXL_DIGITAL_MODE,
987 	.if_mode         = MXL_ZERO_IF,
988 	.AgcMasterByte   = 0x00,
989 };
990 
rtl2831u_tuner_attach(struct dvb_usb_adapter * adap)991 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
992 {
993 	int ret;
994 	struct dvb_usb_device *d = adap_to_d(adap);
995 	struct rtl28xxu_dev *dev = d_to_priv(d);
996 	struct dvb_frontend *fe;
997 
998 	dev_dbg(&d->intf->dev, "\n");
999 
1000 	switch (dev->tuner) {
1001 	case TUNER_RTL2830_QT1010:
1002 		fe = dvb_attach(qt1010_attach, adap->fe[0],
1003 				dev->demod_i2c_adapter,
1004 				&rtl28xxu_qt1010_config);
1005 		break;
1006 	case TUNER_RTL2830_MT2060:
1007 		fe = dvb_attach(mt2060_attach, adap->fe[0],
1008 				dev->demod_i2c_adapter,
1009 				&rtl28xxu_mt2060_config, 1220);
1010 		break;
1011 	case TUNER_RTL2830_MXL5005S:
1012 		fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1013 				dev->demod_i2c_adapter,
1014 				&rtl28xxu_mxl5005s_config);
1015 		break;
1016 	default:
1017 		fe = NULL;
1018 		dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1019 	}
1020 
1021 	if (fe == NULL) {
1022 		ret = -ENODEV;
1023 		goto err;
1024 	}
1025 
1026 	return 0;
1027 err:
1028 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1029 	return ret;
1030 }
1031 
1032 static const struct fc2580_config rtl2832u_fc2580_config = {
1033 	.i2c_addr = 0x56,
1034 	.clock = 16384000,
1035 };
1036 
1037 static struct tua9001_config rtl2832u_tua9001_config = {
1038 	.i2c_addr = 0x60,
1039 };
1040 
1041 static const struct fc0012_config rtl2832u_fc0012_config = {
1042 	.i2c_address = 0x63, /* 0xc6 >> 1 */
1043 	.xtal_freq = FC_XTAL_28_8_MHZ,
1044 };
1045 
1046 static const struct r820t_config rtl2832u_r820t_config = {
1047 	.i2c_addr = 0x1a,
1048 	.xtal = 28800000,
1049 	.max_i2c_msg_len = 2,
1050 	.rafael_chip = CHIP_R820T,
1051 };
1052 
1053 static const struct r820t_config rtl2832u_r828d_config = {
1054 	.i2c_addr = 0x3a,
1055 	.xtal = 16000000,
1056 	.max_i2c_msg_len = 2,
1057 	.rafael_chip = CHIP_R828D,
1058 };
1059 
rtl2832u_tuner_attach(struct dvb_usb_adapter * adap)1060 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1061 {
1062 	int ret;
1063 	struct dvb_usb_device *d = adap_to_d(adap);
1064 	struct rtl28xxu_dev *dev = d_to_priv(d);
1065 	struct dvb_frontend *fe = NULL;
1066 	struct i2c_board_info info;
1067 	struct i2c_client *client;
1068 	struct v4l2_subdev *subdev = NULL;
1069 	struct platform_device *pdev;
1070 	struct rtl2832_sdr_platform_data pdata;
1071 
1072 	dev_dbg(&d->intf->dev, "\n");
1073 
1074 	memset(&info, 0, sizeof(struct i2c_board_info));
1075 	memset(&pdata, 0, sizeof(pdata));
1076 
1077 	switch (dev->tuner) {
1078 	case TUNER_RTL2832_FC0012:
1079 		fe = dvb_attach(fc0012_attach, adap->fe[0],
1080 			dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1081 
1082 		/* since fc0012 includs reading the signal strength delegate
1083 		 * that to the tuner driver */
1084 		adap->fe[0]->ops.read_signal_strength =
1085 				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1086 		break;
1087 	case TUNER_RTL2832_FC0013:
1088 		fe = dvb_attach(fc0013_attach, adap->fe[0],
1089 			dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1090 
1091 		/* fc0013 also supports signal strength reading */
1092 		adap->fe[0]->ops.read_signal_strength =
1093 				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1094 		break;
1095 	case TUNER_RTL2832_E4000: {
1096 			struct e4000_config e4000_config = {
1097 				.fe = adap->fe[0],
1098 				.clock = 28800000,
1099 			};
1100 
1101 			strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1102 			info.addr = 0x64;
1103 			info.platform_data = &e4000_config;
1104 
1105 			request_module(info.type);
1106 			client = i2c_new_device(dev->demod_i2c_adapter, &info);
1107 			if (client == NULL || client->dev.driver == NULL)
1108 				break;
1109 
1110 			if (!try_module_get(client->dev.driver->owner)) {
1111 				i2c_unregister_device(client);
1112 				break;
1113 			}
1114 
1115 			dev->i2c_client_tuner = client;
1116 			subdev = i2c_get_clientdata(client);
1117 		}
1118 		break;
1119 	case TUNER_RTL2832_FC2580:
1120 		fe = dvb_attach(fc2580_attach, adap->fe[0],
1121 				dev->demod_i2c_adapter,
1122 				&rtl2832u_fc2580_config);
1123 		break;
1124 	case TUNER_RTL2832_TUA9001:
1125 		/* enable GPIO1 and GPIO4 as output */
1126 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1127 		if (ret)
1128 			goto err;
1129 
1130 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1131 		if (ret)
1132 			goto err;
1133 
1134 		fe = dvb_attach(tua9001_attach, adap->fe[0],
1135 				dev->demod_i2c_adapter,
1136 				&rtl2832u_tua9001_config);
1137 		break;
1138 	case TUNER_RTL2832_R820T:
1139 		fe = dvb_attach(r820t_attach, adap->fe[0],
1140 				dev->demod_i2c_adapter,
1141 				&rtl2832u_r820t_config);
1142 
1143 		/* Use tuner to get the signal strength */
1144 		adap->fe[0]->ops.read_signal_strength =
1145 				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1146 		break;
1147 	case TUNER_RTL2832_R828D:
1148 		fe = dvb_attach(r820t_attach, adap->fe[0],
1149 				dev->demod_i2c_adapter,
1150 				&rtl2832u_r828d_config);
1151 		adap->fe[0]->ops.read_signal_strength =
1152 				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1153 
1154 		if (adap->fe[1]) {
1155 			fe = dvb_attach(r820t_attach, adap->fe[1],
1156 					dev->demod_i2c_adapter,
1157 					&rtl2832u_r828d_config);
1158 			adap->fe[1]->ops.read_signal_strength =
1159 					adap->fe[1]->ops.tuner_ops.get_rf_strength;
1160 		}
1161 		break;
1162 	default:
1163 		dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1164 	}
1165 	if (fe == NULL && dev->i2c_client_tuner == NULL) {
1166 		ret = -ENODEV;
1167 		goto err;
1168 	}
1169 
1170 	/* register SDR */
1171 	switch (dev->tuner) {
1172 	case TUNER_RTL2832_FC0012:
1173 	case TUNER_RTL2832_FC0013:
1174 	case TUNER_RTL2832_E4000:
1175 	case TUNER_RTL2832_R820T:
1176 	case TUNER_RTL2832_R828D:
1177 		pdata.clk = dev->rtl2832_platform_data.clk;
1178 		pdata.tuner = dev->tuner;
1179 		pdata.i2c_client = dev->i2c_client_demod;
1180 		pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1181 		pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1182 		pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1183 		pdata.dvb_frontend = adap->fe[0];
1184 		pdata.dvb_usb_device = d;
1185 		pdata.v4l2_subdev = subdev;
1186 
1187 		request_module("%s", "rtl2832_sdr");
1188 		pdev = platform_device_register_data(&d->intf->dev,
1189 						     "rtl2832_sdr",
1190 						     PLATFORM_DEVID_AUTO,
1191 						     &pdata, sizeof(pdata));
1192 		if (pdev == NULL || pdev->dev.driver == NULL)
1193 			break;
1194 		dev->platform_device_sdr = pdev;
1195 		break;
1196 	default:
1197 		dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1198 	}
1199 
1200 	return 0;
1201 err:
1202 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1203 	return ret;
1204 }
1205 
rtl28xxu_tuner_attach(struct dvb_usb_adapter * adap)1206 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1207 {
1208 	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1209 
1210 	if (dev->chip_id == CHIP_ID_RTL2831U)
1211 		return rtl2831u_tuner_attach(adap);
1212 	else
1213 		return rtl2832u_tuner_attach(adap);
1214 }
1215 
rtl28xxu_tuner_detach(struct dvb_usb_adapter * adap)1216 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1217 {
1218 	struct dvb_usb_device *d = adap_to_d(adap);
1219 	struct rtl28xxu_dev *dev = d_to_priv(d);
1220 	struct i2c_client *client;
1221 	struct platform_device *pdev;
1222 
1223 	dev_dbg(&d->intf->dev, "\n");
1224 
1225 	/* remove platform SDR */
1226 	pdev = dev->platform_device_sdr;
1227 	if (pdev)
1228 		platform_device_unregister(pdev);
1229 
1230 	/* remove I2C tuner */
1231 	client = dev->i2c_client_tuner;
1232 	if (client) {
1233 		module_put(client->dev.driver->owner);
1234 		i2c_unregister_device(client);
1235 	}
1236 
1237 	return 0;
1238 }
1239 
rtl28xxu_init(struct dvb_usb_device * d)1240 static int rtl28xxu_init(struct dvb_usb_device *d)
1241 {
1242 	int ret;
1243 	u8 val;
1244 
1245 	dev_dbg(&d->intf->dev, "\n");
1246 
1247 	/* init USB endpoints */
1248 	ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1249 	if (ret)
1250 		goto err;
1251 
1252 	/* enable DMA and Full Packet Mode*/
1253 	val |= 0x09;
1254 	ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1255 	if (ret)
1256 		goto err;
1257 
1258 	/* set EPA maximum packet size to 0x0200 */
1259 	ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1260 	if (ret)
1261 		goto err;
1262 
1263 	/* change EPA FIFO length */
1264 	ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1265 	if (ret)
1266 		goto err;
1267 
1268 	return ret;
1269 err:
1270 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1271 	return ret;
1272 }
1273 
rtl2831u_power_ctrl(struct dvb_usb_device * d,int onoff)1274 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1275 {
1276 	int ret;
1277 	u8 gpio, sys0, epa_ctl[2];
1278 
1279 	dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1280 
1281 	/* demod adc */
1282 	ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1283 	if (ret)
1284 		goto err;
1285 
1286 	/* tuner power, read GPIOs */
1287 	ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1288 	if (ret)
1289 		goto err;
1290 
1291 	dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1292 
1293 	if (onoff) {
1294 		gpio |= 0x01; /* GPIO0 = 1 */
1295 		gpio &= (~0x10); /* GPIO4 = 0 */
1296 		gpio |= 0x04; /* GPIO2 = 1, LED on */
1297 		sys0 = sys0 & 0x0f;
1298 		sys0 |= 0xe0;
1299 		epa_ctl[0] = 0x00; /* clear stall */
1300 		epa_ctl[1] = 0x00; /* clear reset */
1301 	} else {
1302 		gpio &= (~0x01); /* GPIO0 = 0 */
1303 		gpio |= 0x10; /* GPIO4 = 1 */
1304 		gpio &= (~0x04); /* GPIO2 = 1, LED off */
1305 		sys0 = sys0 & (~0xc0);
1306 		epa_ctl[0] = 0x10; /* set stall */
1307 		epa_ctl[1] = 0x02; /* set reset */
1308 	}
1309 
1310 	dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1311 
1312 	/* demod adc */
1313 	ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1314 	if (ret)
1315 		goto err;
1316 
1317 	/* tuner power, write GPIOs */
1318 	ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1319 	if (ret)
1320 		goto err;
1321 
1322 	/* streaming EP: stall & reset */
1323 	ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1324 	if (ret)
1325 		goto err;
1326 
1327 	if (onoff)
1328 		usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1329 
1330 	return ret;
1331 err:
1332 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1333 	return ret;
1334 }
1335 
rtl2832u_power_ctrl(struct dvb_usb_device * d,int onoff)1336 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1337 {
1338 	int ret;
1339 
1340 	dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1341 
1342 	if (onoff) {
1343 		/* GPIO3=1, GPIO4=0 */
1344 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1345 		if (ret)
1346 			goto err;
1347 
1348 		/* suspend? */
1349 		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1350 		if (ret)
1351 			goto err;
1352 
1353 		/* enable PLL */
1354 		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1355 		if (ret)
1356 			goto err;
1357 
1358 		/* disable reset */
1359 		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1360 		if (ret)
1361 			goto err;
1362 
1363 		/* streaming EP: clear stall & reset */
1364 		ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1365 		if (ret)
1366 			goto err;
1367 
1368 		ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1369 		if (ret)
1370 			goto err;
1371 	} else {
1372 		/* GPIO4=1 */
1373 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1374 		if (ret)
1375 			goto err;
1376 
1377 		/* disable PLL */
1378 		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1379 		if (ret)
1380 			goto err;
1381 
1382 		/* streaming EP: set stall & reset */
1383 		ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1384 		if (ret)
1385 			goto err;
1386 	}
1387 
1388 	return ret;
1389 err:
1390 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1391 	return ret;
1392 }
1393 
rtl28xxu_power_ctrl(struct dvb_usb_device * d,int onoff)1394 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1395 {
1396 	struct rtl28xxu_dev *dev = d_to_priv(d);
1397 
1398 	if (dev->chip_id == CHIP_ID_RTL2831U)
1399 		return rtl2831u_power_ctrl(d, onoff);
1400 	else
1401 		return rtl2832u_power_ctrl(d, onoff);
1402 }
1403 
rtl28xxu_frontend_ctrl(struct dvb_frontend * fe,int onoff)1404 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1405 {
1406 	struct dvb_usb_device *d = fe_to_d(fe);
1407 	struct rtl28xxu_dev *dev = fe_to_priv(fe);
1408 	struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1409 	int ret;
1410 	u8 val;
1411 
1412 	dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1413 
1414 	if (dev->chip_id == CHIP_ID_RTL2831U)
1415 		return 0;
1416 
1417 	/* control internal demod ADC */
1418 	if (fe->id == 0 && onoff)
1419 		val = 0x48; /* enable ADC */
1420 	else
1421 		val = 0x00; /* disable ADC */
1422 
1423 	ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1424 	if (ret)
1425 		goto err;
1426 
1427 	/* bypass slave demod TS through master demod */
1428 	if (fe->id == 1 && onoff) {
1429 		ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1430 		if (ret)
1431 			goto err;
1432 	}
1433 
1434 	return 0;
1435 err:
1436 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1437 	return ret;
1438 }
1439 
1440 #if IS_ENABLED(CONFIG_RC_CORE)
rtl2831u_rc_query(struct dvb_usb_device * d)1441 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1442 {
1443 	int ret, i;
1444 	struct rtl28xxu_dev *dev = d->priv;
1445 	u8 buf[5];
1446 	u32 rc_code;
1447 	struct rtl28xxu_reg_val rc_nec_tab[] = {
1448 		{ 0x3033, 0x80 },
1449 		{ 0x3020, 0x43 },
1450 		{ 0x3021, 0x16 },
1451 		{ 0x3022, 0x16 },
1452 		{ 0x3023, 0x5a },
1453 		{ 0x3024, 0x2d },
1454 		{ 0x3025, 0x16 },
1455 		{ 0x3026, 0x01 },
1456 		{ 0x3028, 0xb0 },
1457 		{ 0x3029, 0x04 },
1458 		{ 0x302c, 0x88 },
1459 		{ 0x302e, 0x13 },
1460 		{ 0x3030, 0xdf },
1461 		{ 0x3031, 0x05 },
1462 	};
1463 
1464 	/* init remote controller */
1465 	if (!dev->rc_active) {
1466 		for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1467 			ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1468 					rc_nec_tab[i].val);
1469 			if (ret)
1470 				goto err;
1471 		}
1472 		dev->rc_active = true;
1473 	}
1474 
1475 	ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1476 	if (ret)
1477 		goto err;
1478 
1479 	if (buf[4] & 0x01) {
1480 		if (buf[2] == (u8) ~buf[3]) {
1481 			if (buf[0] == (u8) ~buf[1]) {
1482 				/* NEC standard (16 bit) */
1483 				rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1484 			} else {
1485 				/* NEC extended (24 bit) */
1486 				rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1487 							   buf[2]);
1488 			}
1489 		} else {
1490 			/* NEC full (32 bit) */
1491 			rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1492 						    buf[2] << 8  | buf[3]);
1493 		}
1494 
1495 		rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1496 
1497 		ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1498 		if (ret)
1499 			goto err;
1500 
1501 		/* repeated intentionally to avoid extra keypress */
1502 		ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1503 		if (ret)
1504 			goto err;
1505 	}
1506 
1507 	return ret;
1508 err:
1509 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1510 	return ret;
1511 }
1512 
rtl2831u_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1513 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1514 		struct dvb_usb_rc *rc)
1515 {
1516 	rc->map_name = RC_MAP_EMPTY;
1517 	rc->allowed_protos = RC_BIT_NEC;
1518 	rc->query = rtl2831u_rc_query;
1519 	rc->interval = 400;
1520 
1521 	return 0;
1522 }
1523 
rtl2832u_rc_query(struct dvb_usb_device * d)1524 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1525 {
1526 	int ret, i, len;
1527 	struct rtl28xxu_dev *dev = d->priv;
1528 	struct ir_raw_event ev;
1529 	u8 buf[128];
1530 	static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1531 		{IR_RX_IF,               0x03, 0xff},
1532 		{IR_RX_BUF_CTRL,         0x80, 0xff},
1533 		{IR_RX_CTRL,             0x80, 0xff},
1534 	};
1535 
1536 	/* init remote controller */
1537 	if (!dev->rc_active) {
1538 		static const struct rtl28xxu_reg_val_mask init_tab[] = {
1539 			{SYS_DEMOD_CTL1,         0x00, 0x04},
1540 			{SYS_DEMOD_CTL1,         0x00, 0x08},
1541 			{USB_CTRL,               0x20, 0x20},
1542 			{SYS_GPIO_DIR,           0x00, 0x08},
1543 			{SYS_GPIO_OUT_EN,        0x08, 0x08},
1544 			{SYS_GPIO_OUT_VAL,       0x08, 0x08},
1545 			{IR_MAX_DURATION0,       0xd0, 0xff},
1546 			{IR_MAX_DURATION1,       0x07, 0xff},
1547 			{IR_IDLE_LEN0,           0xc0, 0xff},
1548 			{IR_IDLE_LEN1,           0x00, 0xff},
1549 			{IR_GLITCH_LEN,          0x03, 0xff},
1550 			{IR_RX_CLK,              0x09, 0xff},
1551 			{IR_RX_CFG,              0x1c, 0xff},
1552 			{IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1553 			{IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1554 			{IR_RX_CTRL,             0x80, 0xff},
1555 		};
1556 
1557 		for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1558 			ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1559 					init_tab[i].val, init_tab[i].mask);
1560 			if (ret)
1561 				goto err;
1562 		}
1563 
1564 		dev->rc_active = true;
1565 	}
1566 
1567 	ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1568 	if (ret)
1569 		goto err;
1570 
1571 	if (buf[0] != 0x83)
1572 		goto exit;
1573 
1574 	ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1575 	if (ret)
1576 		goto err;
1577 
1578 	len = buf[0];
1579 
1580 	/* read raw code from hw */
1581 	ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1582 	if (ret)
1583 		goto err;
1584 
1585 	/* let hw receive new code */
1586 	for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1587 		ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1588 				refresh_tab[i].val, refresh_tab[i].mask);
1589 		if (ret)
1590 			goto err;
1591 	}
1592 
1593 	/* pass data to Kernel IR decoder */
1594 	init_ir_raw_event(&ev);
1595 
1596 	for (i = 0; i < len; i++) {
1597 		ev.pulse = buf[i] >> 7;
1598 		ev.duration = 50800 * (buf[i] & 0x7f);
1599 		ir_raw_event_store_with_filter(d->rc_dev, &ev);
1600 	}
1601 
1602 	/* 'flush' ir_raw_event_store_with_filter() */
1603 	ir_raw_event_set_idle(d->rc_dev, true);
1604 	ir_raw_event_handle(d->rc_dev);
1605 exit:
1606 	return ret;
1607 err:
1608 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1609 	return ret;
1610 }
1611 
rtl2832u_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1612 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1613 		struct dvb_usb_rc *rc)
1614 {
1615 	/* disable IR interrupts in order to avoid SDR sample loss */
1616 	if (rtl28xxu_disable_rc)
1617 		return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1618 
1619 	/* load empty to enable rc */
1620 	if (!rc->map_name)
1621 		rc->map_name = RC_MAP_EMPTY;
1622 	rc->allowed_protos = RC_BIT_ALL;
1623 	rc->driver_type = RC_DRIVER_IR_RAW;
1624 	rc->query = rtl2832u_rc_query;
1625 	rc->interval = 200;
1626 
1627 	return 0;
1628 }
1629 
rtl28xxu_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1630 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1631 		struct dvb_usb_rc *rc)
1632 {
1633 	struct rtl28xxu_dev *dev = d_to_priv(d);
1634 
1635 	if (dev->chip_id == CHIP_ID_RTL2831U)
1636 		return rtl2831u_get_rc_config(d, rc);
1637 	else
1638 		return rtl2832u_get_rc_config(d, rc);
1639 }
1640 #else
1641 #define rtl28xxu_get_rc_config NULL
1642 #endif
1643 
rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter * adap,int onoff)1644 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1645 {
1646 	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1647 
1648 	if (dev->chip_id == CHIP_ID_RTL2831U) {
1649 		struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1650 
1651 		return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1652 	} else {
1653 		struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1654 
1655 		return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1656 	}
1657 }
1658 
rtl28xxu_pid_filter(struct dvb_usb_adapter * adap,int index,u16 pid,int onoff)1659 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1660 			       u16 pid, int onoff)
1661 {
1662 	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1663 
1664 	if (dev->chip_id == CHIP_ID_RTL2831U) {
1665 		struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1666 
1667 		return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1668 	} else {
1669 		struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1670 
1671 		return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1672 	}
1673 }
1674 
1675 static const struct dvb_usb_device_properties rtl28xxu_props = {
1676 	.driver_name = KBUILD_MODNAME,
1677 	.owner = THIS_MODULE,
1678 	.adapter_nr = adapter_nr,
1679 	.size_of_priv = sizeof(struct rtl28xxu_dev),
1680 
1681 	.identify_state = rtl28xxu_identify_state,
1682 	.power_ctrl = rtl28xxu_power_ctrl,
1683 	.frontend_ctrl = rtl28xxu_frontend_ctrl,
1684 	.i2c_algo = &rtl28xxu_i2c_algo,
1685 	.read_config = rtl28xxu_read_config,
1686 	.frontend_attach = rtl28xxu_frontend_attach,
1687 	.frontend_detach = rtl28xxu_frontend_detach,
1688 	.tuner_attach = rtl28xxu_tuner_attach,
1689 	.tuner_detach = rtl28xxu_tuner_detach,
1690 	.init = rtl28xxu_init,
1691 	.get_rc_config = rtl28xxu_get_rc_config,
1692 
1693 	.num_adapters = 1,
1694 	.adapter = {
1695 		{
1696 			.caps = DVB_USB_ADAP_HAS_PID_FILTER |
1697 				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1698 
1699 			.pid_filter_count = 32,
1700 			.pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1701 			.pid_filter = rtl28xxu_pid_filter,
1702 
1703 			.stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1704 		},
1705 	},
1706 };
1707 
1708 static const struct usb_device_id rtl28xxu_id_table[] = {
1709 	/* RTL2831U devices: */
1710 	{ DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1711 		&rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1712 	{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1713 		&rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1714 	{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1715 		&rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1716 
1717 	/* RTL2832U devices: */
1718 	{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1719 		&rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1720 	{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1721 		&rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1722 	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1723 		&rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1724 	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1725 		&rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1726 	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1727 		&rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1728 	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1729 		&rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1730 	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1731 		&rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1732 	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1733 		&rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1734 	{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1735 		&rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1736 	{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1737 		&rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1738 	{ DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1739 		&rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1740 	{ DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1741 		&rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1742 	{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1743 		&rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1744 	{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1745 		&rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1746 	{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1747 		&rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1748 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1749 		&rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1750 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1751 		&rtl28xxu_props, "GIGABYTE U7300", NULL) },
1752 	{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1753 		&rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1754 	{ DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1755 		&rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1756 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1757 		&rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1758 	{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1759 		&rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1760 	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1761 		&rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1762 	{ DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1763 		&rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1764 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1765 		&rtl28xxu_props, "Peak DVB-T USB", NULL) },
1766 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1767 		&rtl28xxu_props, "Sveon STV20", NULL) },
1768 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1769 		&rtl28xxu_props, "Sveon STV21", NULL) },
1770 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1771 		&rtl28xxu_props, "Sveon STV27", NULL) },
1772 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1773 		&rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1774 
1775 	/* RTL2832P devices: */
1776 	{ DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1777 		&rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1778 	{ }
1779 };
1780 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1781 
1782 static struct usb_driver rtl28xxu_usb_driver = {
1783 	.name = KBUILD_MODNAME,
1784 	.id_table = rtl28xxu_id_table,
1785 	.probe = dvb_usbv2_probe,
1786 	.disconnect = dvb_usbv2_disconnect,
1787 	.suspend = dvb_usbv2_suspend,
1788 	.resume = dvb_usbv2_resume,
1789 	.reset_resume = dvb_usbv2_reset_resume,
1790 	.no_dynamic_id = 1,
1791 	.soft_unbind = 1,
1792 };
1793 
1794 module_usb_driver(rtl28xxu_usb_driver);
1795 
1796 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1797 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1798 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1799 MODULE_LICENSE("GPL");
1800